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authorMarcel Holtmann <marcel@holtmann.org>2007-01-25 19:35:01 +0100
committerAdrian Bunk <bunk@stusta.de>2007-01-25 19:35:01 +0100
commitcf4aeafe86d3cba8c96e0c093196ea3309a126f0 (patch)
treef90d1588a2c47fe31c2535bc69deadb1cfdad2aa
parent1987ad05d5aaadd104dfe66b2caee35dc83b0b6f (diff)
[Bluetooth] Check if DLC is still attached to the TTY
If the DLC device is no longer attached to the TTY device, then it makes no sense to go through with changing the termios settings. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Adrian Bunk <bunk@stusta.de>
-rw-r--r--net/bluetooth/rfcomm/tty.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index 74368f79ee5d..1b83b2ccd045 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -754,6 +754,9 @@ static void rfcomm_tty_set_termios(struct tty_struct *tty, struct termios *old)
BT_DBG("tty %p termios %p", tty, old);
+ if (!dev)
+ return;
+
/* Handle turning off CRTSCTS */
if ((old->c_cflag & CRTSCTS) && !(new->c_cflag & CRTSCTS))
BT_DBG("Turning off CRTSCTS unsupported");